In items 1-7, state whether each result is a positive number, a negative number, or 0. Do not actually perform the computation. 1. -16 + (-30) 2. -16 + 16 3. -(-16) 4. |-16| 5. -16 - (-30) 6. (-16) 7. (-16)(-30) In items 8-9, use the choices below to fill in each blank: add subtract multiply divide.

Q: Evaluate if x=4,8,3,-2 ∑x ∑x+1 ∑(x+1) 3∑x - 4

A: Given that  if x=4,8,3,-2

Q: 43=31-5(1-5w)

A: Given that,   43 = 31 - 5(1-5w) We have to solve for w.

Q: Explain why in any digraph, the sum of all the in-degrees must equal the sum of the out-degrees.

A: To prove, the sum of all the in-degrees must equal to the sum of all out-degrees. In-degree of a…

Q: A voter registration drive was held in Town \text{Y}Ystart text, Y, end text. The number of voters,…

A: Given- A voter registration drive was held in Town Y. The number of voters, V, registered T days…

Q: Find 4-¹, if A = [3 3 O ] 3 -2 0 O [32] −3 0 - [²2] O −3 12 -=[ 132] -3-2 O 2 3 3 2

A:

Q: x-51-2+3x if x<5

A: To solvex-5-2+3x,  if x&lt;5

Q: Add  z-9/z+9+z+7/z-7

A: Given information:

Q: Ellen is 2 years older than her brother Luke. Let k represent Luke’s age. Identify the expression…

A: Given Data: 'k' represents Luke's age   Let X represent Ellen's age

Q: Write an algebraic expression for "the sum of 6 and the quotient of 8 and a number m."

A:

Q: how is the value of the 7 in 702,150 related to the value of the 7 in 73,026

A:

Q: |-45 + 12| + (-36) + |8 + (-15)|

A: The expression is given by,

Q: Consider the function f (x) = 12– a| – |a – 4| What value of x makes the function equal to 0? i.e.…

A: Solution: Let the function f(x) = |2 - x| - |x - 4|

Q: Please find comp,(b), type in just a number, integer. a={/3, 1) and b=5{/3–1, 3+1)

A:

Q: Evaluate the expression -x²+5x+8 for x =-4

A:

Q: Max is twice as old as Jonas. If M represents Max’s age and J represents Jonas’s age, write an…

A: LetM be the Max’s age.J be the Jonas’s age.

Q: what is 27=7+x

A:

Q: || -1 1 100 000 000]

A: Matrix algebra

Q: What integer represents the overall change in position?

A: This is to understand the operation of signed integers. In particular one has to understand the…

Q: What's 25 -43

A:

Q: 4 Find mLABE. E (x + 14)* (3x-8) to

A: Given that angle ABE = (3X - 8)° Angle EBD = (X + 14)° and angle DBC = 90°

Q: Find all integer numbers a for which

A:

Q: -8-(-4) =

A: Formula we will use to solve                                                   -(-a) = a

Q: (-2/3)(-6)+(-1 1/3)

A: Consider −23−6+−113

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A: sum of -2 and 10

Q: Evaluate (33)2

A: Given: 332Power rule amn=am×nSolution:332=33×2=36(33)2=729

Q: Find 140 70 2

A: We have to find angle

Q: 1. (-2e-3*)4

A: 1 Given expression is −2e−3x4. We have to simplify the expression. −2e−3x4=−24e−3x4=16e−3x4 Hence,…

Q: Jason states that -5.0 is not an integer because it has a decimal. Is he correct? Why or why not?

A: He is incorrect.

Q: Find 1 -+ 16 25 +(-1)28 48 528

A: The detailed solution is as follows below:

Q: Simplify.1/4b-1/3+5/6b-1/5(use integers or fractions for any number in the expression.)

A:

Q: Norman knows that his first four test grades were 9191, 8989, 8787, and 7373. Use the formula…

A: Given data Norman knows that his first four test grades were 91,89,87,73 And given test average is…

Q: How is 10 and -10 similar

A:

Q: (-2)(-6) O-3 O 12 O-12 03

A: Given :

Q: -|- 54 |

A: As we know that x=xif x≥0-xif x&lt;0This is the property of  modulus. see below the answer and…

Q: 4. Simplify-V64x. O -aV64 O 4V3 -4x -822

A:

Q: Divide the following expressions   1. 3x²y/ xy   2. 6x⁵y⁴/ 2xy³   3. x²-2x-3/ x-1   4. x²+5x+6/ x+2

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…